Library of Congress subject headings 
Subject Cataloging Division, Processing Services 
 - 9th ed. 
 - Washington  Library of Congress  1980 
 - 2 v. (xxiii, 2591 p.)  31 cm. 
<br/><br/> Incorporates material through 1978  Kept up to date by cumulative supplements issued quarterly, with annual cumulations, 1979- 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Subject headings
<br/><br/><label>Dewey Class. No.: </label>025.3  / 3